A chemical reaction in which polymers are synthesized from their building blocks is called:a
hydrolysis.
b. condensation.
c. oxidation.
d. reduction.
e. dissociation
B
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The actual sites of gas exchange in the mammalian lung are termed
A. alveoli. B. lamellae. C. parabronchi. D. bronchi. E. epiglotti.
All the members of a single species that occupy a particular area at the same time are known as a
A. sub-population. B. gene pool. C. group. D. subspecies. E. population.
The cylinders in this experiment represent a 24-hour period. The light area represents light periods during a 24-hr. period and the dark area represents dark periods during a 24-hr. period. The critical length of dark vs. light periods for flowering is depicted by the dotted line. Note that some plants are flowering and some are not flowering. Study the results of this experiment on photoperiodism and flowering to determine whether the following statements are true or false.Short-day plants flower when the day length is shorter than the critical length, but the required dark period is interrupted by a flash of light.
Answer the following statement true (T) or false (F)
Pneumonia caused by Klebsiella pneumoniae often involves the destruction of (alveoli/macrophages/epithelium) and the production of bloody sputum.
Fill in the blank(s) with the appropriate word(s).